import axios from 'axios'
import { ElLoading, ElMessage } from 'element-plus'
import { saveAs } from 'file-saver'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { blobValidate } from '@/utils/ruoyi'

const baseURL = import.meta.env.VITE_APP_BASE_API
let downloadLoadingInstance

export default {
	oss(ossId) {
		var url = baseURL + '/system/oss/download/' + ossId
		downloadLoadingInstance = ElLoading.service({ text: '正在下载数据，请稍候', background: 'rgba(0, 0, 0, 0.7)' })
		axios({
			method: 'get',
			url: url,
			responseType: 'blob',
			headers: { Authorization: 'Bearer ' + getToken() }
		})
			.then((res) => {
				const isBlob = blobValidate(res.data)
				if (isBlob) {
					const blob = new Blob([res.data], { type: 'application/octet-stream' })
					this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))
				} else {
					this.printErrMsg(res.data)
				}
				downloadLoadingInstance.close()
			})
			.catch((r) => {
				console.error(r)
				Message.error('下载文件出现错误，请联系管理员！')
				downloadLoadingInstance.close()
			})
	},
	zip(url, name) {
		var url = baseURL + url
		downloadLoadingInstance = ElLoading.service({ text: '正在下载数据，请稍候', spinner: 'el-icon-loading', background: 'rgba(0, 0, 0, 0.7)' })
		axios({
			method: 'get',
			url: url,
			responseType: 'blob',
			headers: {
				Authorization: 'Bearer ' + getToken(),
				datasource: localStorage.getItem('dataName')
			}
		})
			.then((res) => {
				const isBlob = blobValidate(res.data)
				if (isBlob) {
					const blob = new Blob([res.data], { type: 'application/zip' })
					this.saveAs(blob, name)
				} else {
					this.printErrMsg(res.data)
				}
				downloadLoadingInstance.close()
			})
			.catch((r) => {
				console.error(r)
				ElMessage.error('下载文件出现错误，请联系管理员！')
				downloadLoadingInstance.close()
			})
	},
	saveAs(text, name, opts) {
		saveAs(text, name, opts)
	},
	async printErrMsg(data) {
		const resText = await data.text()
		const rspObj = JSON.parse(resText)
		const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
		ElMessage.error(errMsg)
	}
}
